MESON Chess Problem Database

Problem Display
PID: 169128 (6N1/3p4/2p1R1p1/1P1P1p2/pQBkppP1/pP1P4/2K2P2/2B2bN1 w - - 0 1)

Popov, Grigory Leontievich

1st Place, SuperProblem 003. TT, 2012

6N1/3p4/2p1R1p1/1P1P1p2/pQBkppP1/pP1P4/2K2P2/2B2bN1

#2

13 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Sxe2#
    • 1...Bg2
      • 2.Se2#
    • 1...Bh3
      • 2.Se2#
    • 1...a2
      • 2.Bb2#
    • 1...axb3+
      • 2.Bxb3#
    • 1...e3
      • 2.Sf3#
    • 1...f3
      • 2.Be3#
    • 1...fxg4
      • 2.Rxe4#
    • 1...c5
      • 2.Qc3#
  • Keys
    • 1.Se7!
      • 1...Bxd3+
        • 2.Bxd3#
      • 1...axb3+
        • 2.Bxb3#
      • 1...exd3+
        • 2.Bxd3#
      • 1...fxg4
        • 2.Rxe4#
      • 1...cxb5
        • 2.Bxb5#
      • 1...cxd5
        • 2.Bxd5#
      • 1...dxe6
        • 2.Sxc6#
      • 1...Be2
        • 2.Sxe2#
      • 1...Bg2
        • 2.Se2#
      • 1...Bh3
        • 2.Se2#
      • 1...a2
        • 2.Bb2#
      • 1...e3
        • 2.Sf3#
      • 1...f3
        • 2.Be3#
      • 1...c5
        • 2.Qc3#
      • 1...g5
        • 2.Sxf5#
      • 1...d6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::S(B),XB(a)
    • B(a);N_GUARD::S(B)
    • P(b);N_GUARD::B(A)
    • P(c);CHECK,OGATE,XP(E)::QAR(G)+B(H),XP(c)
    • P(e);N_GUARD::S(B)
    • P(f);N_GUARD::B(A)
    • P(g);N_GUARD,XP(I)::R1(L),XP(e)
    • P(h);SBLOCK::QAB1(G)
  • Actual
    • S(M);
    • Vars
      • B(a);CHECK,OGATE,XP(F)::QAR(G)+B(H),XB(a)
      • P(c);CHECK,OGATE,XP(E)::QAR(G)+B(H),XP(c)
      • P(e);CHECK,OGATE,XP(F)::QAR(G)+B(H),XP(e)
      • P(g);N_GUARD,XP(I)::R1(L),XP(e)
      • P(h);OGATE,XP(J)::QAR(G)+B(H),XP(h)
      • P(h);OGATE,XP(K)::QAR(G)+B(H),XP(h)
      • P(j);N_GUARD,XR(L)::S(M),XP(h)
      • B(a);N_GUARD::S(B),XB(a)
      • B(a);N_GUARD::S(B)
      • P(b);N_GUARD::B(A)
      • P(e);N_GUARD::S(B)
      • P(f);N_GUARD::B(A)
      • P(h);SBLOCK::QAB1(G)
      • P(i);N_GUARD::S(M),XP(g)
      • P(j);N_GUARD::S(M),XP(h)
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